Image preprocessing is the first step in OCR technology, aimed at improving image quality to create favorable conditions for subsequent character recognition. Vehicle document images may be affected ...

OCR (Optical Character Recognition) is a technology that converts the text content in images into editable text. Its working principle mainly includes the following steps: ...

Spectral preprocessing methods with efficient spectral noise removal and high-fidelity baseline correction capabilities are the prerequisites and challenges for high-quality Raman spectroscopy ...